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One mole of a gas obeys van der waals equation of state that is allowable to expand isothermally from v1 to v2. Obtain an equation for the change in Helmholtz energy for such expansion.
Balance the following ionic Lewis structures by placing the appropriate coefficients. Leave a target blank to indicate the absence of a coefficient.
Find the appropiate equilibrium constant (Kp) for the reaction below under the following conditions.
for if5 draw an appropriate lewis structure. draw the molecule by placing atoms on the grid and connecting them with
Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations: a) 0.250 M
The density of lead is 11.3 g/mL. The water level in a graduated cylinder initially at 216 mL rises to 292 mL after a piece of lead is submerged. What is the mass in grams of the lead?
the growth rate drops 6 orders of magnitude and effectively reduces the crystallization rate to zero. Calculate the self-diffusion of this alloy system.
provide the newman projections across the c2-c3 bonds for the major conformers after drawing the zig-zag structures of
Determine the reaction, Fe2O3 + 6 HCl => 2 FeCl3 + 3 H2O. Explain how many moles of H2O will be made from 42.9 grams of HCl
Write oxidation number of the following: a) ammonium oxalate, (NH4)2C2O4 and b) ethanol, C2H5OH. please include calculations.
Barium sulfate,BaSO4 , is used in medical imaging of the gastrointestinal tract because it is opaque to X rays. A barium sulfate solution, sometimes called a cocktail, is ingested by the patient
A sample of a gaseous compound of nitrogen and oxygen weighs 5.25 g and occupies a volume of 1.00 L at a pressure of 1.26 atm and temperature of -4.0 °C. Which of the following molecular formulas could be that of the compound
What quantity of heat is required to melt 500. g of ice and heat the water to steam at 100. oC? What quantity of heat is required to melt 500. g of ice and heat the water to steam at 100. oC?
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